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[NYTimes] Google Backed Start-Up Aims at Power Conversion to Save Electricity

post #1 of 5
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A Southern California start-up backed by Google and prominent venture capital firms announced on Wednesday a technology it claimed could slash the electricity consumption of a wide range of devices like industrial motors, hybrid cars, computers and cellphones.

The result could be electric cars that drive farther without recharging, the disappearance of bricklike device chargers and solar panels that generate more electricity, according to the founders of Transphorm.

The company, based in Goleta, Calif., has developed a power conversion module that it says cuts energy waste by 90 percent.
http://bits.blogs.nytimes.com/2011/0...e-electricity/
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If that is true then I look forward to the future
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post #3 of 5
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Originally Posted by Shigityshwo View Post
If that is true then I look forward to the future
I do too. Laptops that can last a month on a single charge and no power brick? *&#$ yea.

As history dictates, oil and electric companies will be the biggest opponents. Imagine if they were pro towards these sort of techs...Things would happen a lot faster.
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Most of the energy inefficiency of silicon power conversion components can be nullified by the use of more advanced SMPS technology, like the LLC half bridge topology used in many 80PLUS Gold and Platinum ATX PSUs, like SeaSonic X and Superflower Golden Green, and the full bridge phase shift topology used in the Antec HCP series. However, these topologies are more expensive to manufacture than less efficient topologies like the commonplace double forward converter, and the obsolescent traditional half bridge topology.

Gallium nitride, however, is even more expensive. Silicon can be scooped up off the ground, it makes up a large proportion of the rock and sediment on earth. Gallium nitride has to be grown artificially. I doubt it will be cost effective for quite some time, even on large scales.
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Originally Posted by Phaedrus2129 View Post
Gallium nitride, however, is even more expensive. Silicon can be scooped up off the ground, it makes up a large proportion of the rock and sediment on earth. Gallium nitride has to be grown artificially. I doubt it will be cost effective for quite some time, even on large scales.
I agree. I don't think this is anything that will be happening in the near future, i.e. less than 10 years, and perhaps something else more promising / cleaner / cheaper will make it's way before then, but it's certainly excellent to see these techs having a go at it. Sooner or later we'll get there.
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